Cell Theory Scientists

Anton von Leeuwenhoek
Used a handmade microscope to look at pond scum and discovered single cell organisms.
Robert Hooke
Found cells by looking at a thin piece of cork. Cells looked like tiny boxes.
Matthias Schleiden
Proposed cell theory for plants. Found that all plant parts are made of cells. First to recognize the importance of cells as fundamental units of life.
Theodor Schwann
Proposed that all organisms are composed of cells, not just plants.
Rudolph Virchow
Concluded that cells must come from other cells that are already there
Hans and Zacharias Janssen
Produced the first microscope